Premium Hot Dipped Galvanized High-Strength Alloy Steel DIN766 ISO4565 Certified Marine Anchor Chain for Industrial & Outdoor Use

DIN766 ISO4565 Marine Hot Dipped Galvanized Calibrated Anchor Chain Dia.8mm - Professional yacht boat hardware designed for sailing applications with polished marine-grade 316 stainless steel construction for maximum corrosion resistance and durability in saltwater environments.

• Grade 3 Material: Low-carbon steel conforming to BS 6405:1984 standard
• Grade 4 Material: High-tensile carbon steel (Grade 43) providing superior tension strength
• Stainless Steel: AISI 304, AISI 316, or AISI 316L for high corrosion resistance environments
• 20Mn2 Steel: High strength material with excellent corrosion resistance after hot-dip galvanizing

1. Material Inspection: Comprehensive raw steel verification including chemical composition and mechanical properties
2. Cutting: Precision cutting to specified lengths based on chain link circumference
3. Heating: Controlled heating between 730°C-880°C for optimal forming
4. Bending (Binding) Links: Chain link forming at approximately 800°C with precise alignment
5. Welding: Flash butt welding with temperature control at 600°C-700°C
6. Deburring: Weld surface smoothing at 550°C temperature
7. Stop Pressing (Shaping): Precision pressing for exact dimensions and shape
8. Heat Treatment: Quenching, tempering, and normalizing for enhanced mechanical properties
9. Load Testing: Proof-testing at twice the working load limit
10. Surface Treatment: Hot-dip galvanizing with pretreatment and zinc immersion
11. Final Inspection: Comprehensive quality control including visual, dimensional, and non-destructive testing
12. Packaging and Coating: Protective packaging and surface coating for shipment

• High Strength and Reliability: Withstands immense tensile forces for stable anchoring
• Precise Calibration Dimensions: High dimensional accuracy matching marine anchor winches
• Excellent Corrosion Resistance: Uniform zinc layer protection extending service life by 25%
• Good Flexibility: Compact design for smooth winding and reduced wear
• Strict Quality Control: Rigorous inspections and proof-load testing for each link
• High Adaptability: Available in diameters from 6mm to 90mm for various vessel types

• Ship Anchoring: Cargo ships, passenger vessels, yachts, and fishing boats
• Marine Engineering: Offshore platforms and wind power facilities
• Mooring Systems: Ports, docks, and fixed facility mooring

• 24/7 Customer Service: Technical consultation for specification selection and usage
• Regular Follow-up Visits: Customer feedback collection and product improvement
• Maintenance Guidance: Comprehensive care instructions including inspection, cleaning, and lubrication